Traditional Culture Encyclopedia - Traditional festivals - With the advent of the Internet era, what changes have taken place in the external environment of traditional enterprises?

With the advent of the Internet era, what changes have taken place in the external environment of traditional enterprises?

The most obvious is marketing. In the past, by running business and adding fixed advertisements, the Internet era is different, and advertisements can be more accurate. For example, is it faster than visiting customers one by one to establish a button group, classify all kinds of customers and publicize them in a targeted way?